From the house of “FASTPED”
Optimum power transmission
*Optimal balance between lightweight and efficiency
*Maintains high rigidity and reduces weight
THREE – SPEED ADJUSTABLE
* Suitable for variable speed: 6/7/8/9speed
* This product is suitable for retrofit folding bike, city bike, electric bike.
* Material: Crank: aluminum alloy, Chainwheel: high-quality steel, chainwheel cover: engineering plastic.
* Crank length: 170mm